using TMPro;
using UnityEngine;
using UnityEngine.UI;

public partial class GameFlowManager {
#if UNITY_EDITOR || DEVELOPMENT_BUILD
    private void ShowDebugMenu() {
        EnsureDebugPreviewData();

        gameplayActive = false;
        pendingStartGameplay = false;
        currentScreen = FlowScreen.DebugMenu;

        EnsureOverlay();
        ClearOverlay();
        SetOverlayVisible(true);
        SetDefaultOverlayBackground();

        AddTitle("디버그 메뉴");
        AddBody("기본 화면과 실전맵을 바로 확인합니다.\n단축키: 1~0, F1/F2");

        AddDebugButton("1. 인트로", ShowDebugIntroPreview, new Vector2(-235f, -32f));
        AddDebugButton("2. 현재 맵 시작", ShowDebugGameStartPreview, new Vector2(-235f, -74f));
        AddDebugButton("3. 현재 출국 실패", delegate { ShowDebugResultPreview(false); }, new Vector2(-235f, -116f));
        AddDebugButton("4. 현재 출국 성공", delegate { ShowDebugResultPreview(true); }, new Vector2(-235f, -158f));
        AddDebugButton("5. 면세점", ShowDebugDutyFreeShopPreview, new Vector2(-235f, -200f));
        AddDebugButton("6. 지도", ShowDebugMapPreview, new Vector2(-235f, -242f));

        AddDebugButton("7. 일본 게임시작", delegate { ShowDebugMapGameStartPreview(MapId.Japan); }, new Vector2(235f, -32f));
        AddDebugButton("8. 일본 출국성공", delegate { ShowDebugMapResultPreview(MapId.Japan, true); }, new Vector2(235f, -74f));
        AddDebugButton("9. 중국 게임시작", delegate { ShowDebugMapGameStartPreview(MapId.China); }, new Vector2(235f, -116f));
        AddDebugButton("0. 중국 출국성공", delegate { ShowDebugMapResultPreview(MapId.China, true); }, new Vector2(235f, -158f));
        AddDebugButton("F1. 미국 게임시작", delegate { ShowDebugMapGameStartPreview(MapId.America); }, new Vector2(235f, -200f));
        AddDebugButton("F2. 미국 출국성공", delegate { ShowDebugMapResultPreview(MapId.America, true); }, new Vector2(235f, -242f));
    }

    private void AddDebugButton(string label, UnityEngine.Events.UnityAction action, Vector2 position) {
        GameObject buttonObject = CreateUiObject("Debug Button " + label, overlayRoot, typeof(Image), typeof(Button));
        RectTransform buttonRect = buttonObject.GetComponent<RectTransform>();
        buttonRect.anchorMin = new Vector2(0.5f, 0.5f);
        buttonRect.anchorMax = new Vector2(0.5f, 0.5f);
        buttonRect.pivot = new Vector2(0.5f, 0.5f);
        buttonRect.anchoredPosition = position;
        buttonRect.sizeDelta = new Vector2(310f, 34f);

        Image buttonImage = buttonObject.GetComponent<Image>();
        buttonImage.color = new Color(0.92f, 0.96f, 1f, 0.94f);
        buttonImage.raycastTarget = true;

        Button button = buttonObject.GetComponent<Button>();
        button.targetGraphic = buttonImage;
        button.navigation = new Navigation {
            mode = Navigation.Mode.None
        };
        button.onClick.AddListener(action);

        TextMeshProUGUI buttonText = AddTextTo(buttonObject.transform, "Label", label, 14f, FontStyles.Bold);
        RectTransform textRect = buttonText.rectTransform;
        textRect.anchorMin = Vector2.zero;
        textRect.anchorMax = Vector2.one;
        textRect.offsetMin = Vector2.zero;
        textRect.offsetMax = Vector2.zero;
        buttonText.color = new Color(0.04f, 0.07f, 0.09f, 1f);
    }

    private void ShowDebugIntroPreview() {
        ShowIntro();
    }

    private void ShowDebugGameStartPreview() {
        EnsureDebugPreviewData();
        LoadGameSceneForCurrentMap();
    }

    private void ShowDebugMapGameStartPreview(MapId mapId) {
        SetDebugCurrentMap(mapId);
        LoadGameSceneForCurrentMap();
    }

    private void ShowDebugResultPreview(bool cleared) {
        EnsureDebugPreviewData();

        gameplayActive = false;
        pendingStartGameplay = false;
        currentScreen = FlowScreen.Result;
        completedMap = currentMap;
        lastResultCleared = cleared;
        lastResultScore = cleared ? 12800 : 7200;
        lastResultMileage = cleared ? 263 : 84;
        lastResultTime = cleared ? 23.9f : 38.4f;
        lastResultDistance = completedMap != null
            ? (cleared ? completedMap.targetDistance : completedMap.targetDistance * 0.62f)
            : 380f;

        if(saveData != null)
        {
            saveData.totalMileage = Mathf.Max(saveData.totalMileage, 4120);
        }

        ShowResult();
    }

    private void ShowDebugMapResultPreview(MapId mapId, bool cleared) {
        SetDebugCurrentMap(mapId);

        gameplayActive = false;
        pendingStartGameplay = false;
        currentScreen = FlowScreen.Result;
        completedMap = currentMap;
        lastResultCleared = cleared;

        int mapIndex = MapDatabase.GetIndex(mapId);
        lastResultScore = cleared ? 12800 + (mapIndex * 2200) : 7200 + (mapIndex * 900);
        lastResultMileage = cleared ? 190 + (mapIndex * 70) : 84;
        lastResultTime = currentMap != null
            ? Mathf.Max(10f, currentMap.timeLimit * (cleared ? 0.78f : 1.08f))
            : cleared ? 23.9f : 38.4f;
        lastResultDistance = currentMap != null
            ? (cleared ? currentMap.targetDistance : currentMap.targetDistance * 0.62f)
            : 380f;

        if(saveData != null)
        {
            saveData.totalMileage = Mathf.Max(saveData.totalMileage, 4120);
        }

        ShowResult();
    }

    private void ShowDebugDutyFreeShopPreview() {
        EnsureDebugPreviewData();

        if(saveData != null)
        {
            saveData.totalMileage = Mathf.Max(saveData.totalMileage, 4120);
        }

        ShowDutyFreeShop();
    }

    private void ShowDebugMapPreview() {
        EnsureDebugPreviewData();
        ShowMapPreview();
    }

    private void SetDebugCurrentMap(MapId mapId) {
        EnsureDebugPreviewData();
        currentMap = MapDatabase.GetMap(mapId);

        if(saveData == null)
        {
            return;
        }

        int mapIndex = MapDatabase.GetIndex(mapId);
        saveData.currentMapIndex = mapIndex;
        saveData.unlockedMapIndex = Mathf.Max(saveData.unlockedMapIndex, mapIndex);
        GameSaveManager.Save(saveData);
    }

    private void EnsureDebugPreviewData() {
        if(saveData == null)
        {
            saveData = GameSaveManager.Load();
        }

        if(currentMap == null)
        {
            currentMap = MapDatabase.GetMapByIndex(saveData != null ? saveData.currentMapIndex : 0);
        }

        if(currentMap == null)
        {
            currentMap = MapDatabase.GetMapByIndex(0);
        }
    }
#endif
}